Except, of course, for that time at the end of last term, when she had made the prediction about Voldemort rising again…. and Dumbledore himself had said that he thought that trance had been genuine, when Harry had described it to him.

They seem to think there’s a chance they weren’t genuinely written by him.

"Well, I’ve no idea what that’s about…. but if Karkaroff s genuinely worried, and he’s going to Snape for answers …" Sirius stared at the cave wall, then made a grimace of frustration.